Is the high oil consumption that Dr Haas has observed with Ferrari owners using 10W-60 oil due to the weight or the formulation?
The one and only time I used 15W-40 in my V6 Toyota truck I observed that oil consumption was higher than with the 5W-30 I normally use.
The one and only time I used 15W-40 in my V6 Toyota truck I observed that oil consumption was higher than with the 5W-30 I normally use.